As i see it, the only problem with downvoting is that asimetry of power between a small guy and a whale. Its even worst than a centralized censorship, just one big guy can a screw many littles without loosing much. But, there should be also a way to destroy attempts to drain the pool reward with spam or other bad practices. Its maybe a necesary tool, but...

Glad to see you here =)

Im preparing my first post!